16r^2+ 2r -4r
16r^2 - 2r
2r ( 8r -1)
Josh is incorrect, he did not examine the expression correctly, therefore his answer was wrong.
Answer:
x=
y=5-
Step-by-step explanation:
x+y=5
y=5-x
x-y=a
x-(5-x)=a
2x-5=a
2x=a+5
x=
x+y=5
+y=5
y=5-
Answer:
32,768.
Step-by-step explanation:
There are 12 lots of 5 minutes in 1 hour.
The equation is 8*(2^12)
= 8 * 4096
= 32,768.
1/2. 1/6
1/2×3=3/6
3/6+1/6=4/6
4/6=2/3
2/3